what are "sex oriented" ads ?
either you're on the darknet looking for a torrent or a p2p address, and you get sex ads (no pretending, they are the real thing!).
or you check out fictionwise, mobipocket, amazon (as of a few days ago) and you get no naked chicks on your window, behind your window, over your window, under your window, and even downloading things do your desktop while you try to fight the torrent of new windows that were launched with JUST ONE CLICK
maybe they should invent an ebook reading device with some kind of a scent-dispenser thingie to periodically squirt "old dusty moldy book-smell" in your face